Ugcine nini ukuthenga ithoshi elisha? Uma ungakhumbuli, kungase kube yisikhathi sokuqala ukuthenga.
Eminyakeni engamashumi amahlanu edlule, ithoshi elisezingeni eliphezulu lalenziwe nge-aluminium, ngokuvamile elimnyama, linekhanda lokuhlanganisa isibani elijika ukuze ligxilise ugongolo kakhulu futhi lisebenzisa amabhethri amabili kuya kwayisithupha, kungaba yi-C noma i-D-cell. Laliyisibani esinzima futhi lalisebenza kahle njengenduku, okwathi ngengozi kwafaka izikhulu eziningi enkingeni njengoba izikhathi nobuchwepheshe bushintsha. Yeqa uye esikhathini samanje futhi ithoshi elijwayelekile lesikhulu lingaphansi kwamasentimitha ayisishiyagalombili ubude, kungenzeka ukuthi lakhiwe nge-polymer njengoba kunjalo nge-aluminium, linokuhlanganiswa kwesibani se-LED kanye nemisebenzi/amazinga amaningi okukhanya atholakalayo. Omunye umehluko? Ithoshi eminyakeni engama-50 edlule libiza cishe amaRandi angu-25, inani elikhulu. Amathoshi anamuhla, ngakolunye uhlangothi, angabiza amaRandi angu-200 futhi kubhekwa njengesivumelwano esihle. Uma uzokhokha leyo mali, yiziphi izici zokuklama okufanele uzibheke?
Njengomthetho, masikwamukele ukuthi wonke amathoshi omsebenzi kufanele abe mancane futhi alula ukuze athwalwe kalula. “Amabili ayinto eyodwa kanti elinye alikho,” kuyincazelo yokuphepha kokusebenza okudingeka sikwamukele. Njengoba cishe amaphesenti angama-80 okudubulana kwamaphoyisa kwenzeka ezimweni eziphansi noma ezingenakukhanya, ukuba nethoshi ngaso sonke isikhathi ngenkathi usemsebenzini kuyimpoqo. Kungani ngesikhathi sokushintshana kosuku? Ngoba awazi ukuthi izimo zizokuthatha nini ungene engaphansi komhlaba elimnyama lendlu, isakhiwo sezentengiselwano esingenalutho lapho ugesi ucinyiwe khona noma ezinye izimo ezifanayo. Kufanele ube nethoshi nawe futhi kufanele ube ne-backup. Ukukhanya okufakwe izikhali esibhamu sakho akufanele kubhekwe njengenye yamathoshi amabili. Ngaphandle kokuba amandla abulalayo afanele, akufanele useshe ngesibani sakho esifakwe izikhali.
Ngokuvamile, izibani zanamuhla eziphathwa ngesandla ezisebenzisa ubuchwepheshe akufanele zibe ngaphezu kwamasentimitha ayisishiyagalombili njengobude obuphezulu. Zinde kunalokho futhi ziqala ukungakhululeki ebhandeni lakho lesibhamu. Amasentimitha amane kuya kwayisithupha ubude obungcono futhi ngenxa yobuchwepheshe bebhethri banamuhla, lobo bude obanele ukuba nomthombo wamandla owanele. Futhi, ngenxa yentuthuko yobuchwepheshe bebhethri, lowo mthombo wamandla ungashajwa kabusha ngaphandle kokwesaba ukuqhuma okukhulu, ukushisa ngokweqile kanye/noma ukuthuthukiswa kwenkumbulo okugcina kwenze ibhethri lingasebenzi. Izinga lokukhipha ibhethri alibalulekile ukwazi njengoba kunjalo nobudlelwano phakathi kokusebenza kwebhethri phakathi kokushaja kanye nomphumela wokuhlanganisa isibani.
Ithoshi le-XT DF elivela ku-ASP Inc. linikeza ukukhanya okunamandla, okungu-600 lumens okuyinhloko, kanye nezinga lokukhanya lesibili elingahlelwa ngumsebenzisi kuma-lumens angu-15, 60, noma angu-150, noma i-strobe. Ama-ASP Inc. Ama-bulb e-incandescent ayinto yesikhathi esidlule kumathoshi e-tactical. Aphuka kalula kakhulu futhi ukukhanya "kungcolile kakhulu." Lapho ama-LED ahlangana okokuqala emakethe yokukhanya kwe-tactical eminyakeni embalwa edlule, ama-lumens angu-65 ayebhekwa njengokukhanya kanye nezinga eliphansi lokukhanya kokukhanya kokukhanya kwe-tactical. Ngenxa yokuvela kobuchwepheshe, ama-LED ahlangana nama-lumens angu-500+ ayatholakala futhi manje kuvunyelwene ngokuthi akukho ukukhanya okuningi kakhulu. Ibhalansi etholakalayo ikhona phakathi kokukhanya okukhiphayo nokuphila kwebhethri. Ngenkathi sonke singathanda ukuba nokukhanya okungu-500-lumen okuhlala amahora ayishumi nambili okusebenza, lokho akulona iqiniso. Kungase kudingeke samukele ukukhanya okungu-200-lumen okuhlala amahora ayishumi nambili. Uma sikhuluma iqiniso, ngeke sidinge ukuthi ithoshi lethu livulwe ukuze sisebenze ngokugcwele, singayeki, ngakho-ke kuthiwani ngesibani esingu-300 kuya ku-350-lumen esinebhethri esingahlala amahora amane sisebenza ngokungaguquguquki? Lobo budlelwano bokukhanya/amandla, uma ukusetshenziswa kokukhanya kuphathwa kahle, kufanele buhlale kalula izikhathi eziningana.
Inzuzo eyengeziwe yokuhlanganiswa kwezibani ze-LED ukuthi izilawuli zokulethwa kwamandla zivame ukuba yizijikelezo zedijithali ezivumela ukusebenza okwengeziwe ngaphandle kokuvula nokuvala. Izijikelezo ziqala zilawule ukugeleza kwamandla kuya kuhlanganisi lwe-LED ukuze zivimbele ukushisa ngokweqile futhi zilawule ukugeleza kwamandla ukuze zinikeze izinga lokukhanya elinokwethenjelwa kakhulu. Ngaphezu kwalokho, ukuba nalezo zijikelezo zedijithali kungenza imisebenzi efana nalokhu:
Sekuyiminyaka engaba ngamashumi amabili edlule, selokhu i-Surefire Institute yokuqala kanye ne-BLACKHAWK Gladius flashlight elandelayo babonisa amandla okukhanya kwe-strobing njengethuluzi lokuguqula ukuziphatha, izibani ze-strobe bezilokhu zithandwa. Sekuvamile manje ukuthi i-flashlight ibe nenkinobho yokusebenza ezohambisa ukukhanya ngamandla aphezulu kuya emandleni aphansi kuya kwe-strobing, ngezinye izikhathi ishintsha ukuhleleka kuye ngesidingo semakethe esibonwayo. Umsebenzi we-strobe ungaba ithuluzi elinamandla elinezixwayiso ezimbili. Okokuqala, i-strobe kumele ibe yimvamisa efanele kanti okwesibili, umqhubi kufanele aqeqeshwe ekusetshenzisweni kwayo. Ngokusetshenziswa okungafanele, ukukhanya kwe-strobe kungaba nomthelela omkhulu kumsebenzisi njengoba kwenza kumuntu okuqondiwe.
Ngokusobala, isisindo sihlala siyinkinga uma sengeza okuthile ebhandeni lethu lezibhamu futhi uma sibheka isidingo samathoshi amabili ukukhathazeka ngesisindo kuyaphindwa kabili. Isibani esihle esiphathwa ngesandla ezweni lanamuhla kufanele sibe nesisindo sama-ounces ambalwa kuphela; ngaphansi kwesigamu sephawundi ngokuqinisekile. Kungakhathaliseki ukuthi isibani esinodonga oluncane olune-aluminium noma esakhiwe nge-polymer, ukuba nesisindo esingaphansi kwama-ounces amane ngokuvamile akuyona inselele enkulu uma kucatshangelwa imikhawulo yosayizi.
Njengoba kunesidingo sesistimu yamandla aphinde ashajwe, uhlelo lokufaka luyangatshazwa. Kulula kakhulu ukungawasusi amabhethri ukuze uwashaje, ngakho-ke uma ithoshi lingashajwa ngaphandle kokwenza kanjalo, kuyidizayini efiselekayo kakhulu. Uma isibani singaphinde sishajwe khona-ke amabhethri engeziwe kumele atholakale kumphathi wephoyisa nganoma yisiphi isikhathi. Amabhethri e-lithium amahle kakhulu ngokuba nesikhathi eside sokuhlala eshalofini kodwa ngaphansi kwezimo ezithile kungaba nzima ukuwathola, futhi uma uwathola, angabiza kakhulu. Ubuchwepheshe be-LED banamuhla buvumela ukusetshenziswa kwamabhethri avamile e-AA njengomthombo wamandla ngomkhawulo wokuthi ngeke ahlale isikhathi eside njengabazala bawo be-lithium, kodwa abiza kancane kakhulu futhi atholakala kabanzi.
Ngaphambilini sikhulume nge-digital circuitry enika amandla izinketho zokukhanya kwemisebenzi eminingi kanti obunye ubuchwepheshe obukhulayo benza leso sici sokunethezeka/sokulawula sibe namandla nakakhulu: ukuxhumana kwezinyo eliluhlaza okwesibhakabhaka. Ezinye izibani "ezihlelekayo" zidinga ukuthi ufunde incwadi yemiyalelo bese uthola ukulandelana okufanele kokucindezela izinkinobho ukuze uhlele ukukhanya kwakho ukuze uthole amandla okuqala, imikhawulo ephezulu/ephansi nokuningi. Ngenxa yezinhlelo zokusebenza zobuchwepheshe bezinyo eliluhlaza okwesibhakabhaka kanye nezinhlelo zokusebenza zefoni ezihlakaniphile, manje sekukhona izibani emakethe ezingahlelwa kusuka kufoni yakho ehlakaniphile. Izinhlelo zokusebenza ezinjalo azikuvumeli nje kuphela ukuthi ulawule ukuhlela ukukhanya kwakho kodwa futhi zikuvumela ukuthi uhlole amazinga ebhethri.
Vele, njengoba kushiwo ekuqaleni, konke lokhu kukhanya okusha okukhiphayo, amandla kanye nokulula kokuhlela kuza nentengo. Ukukhanya okusebenzayo okuphezulu, okuhlelekile, okungabiza cishe u-$200. Umbuzo ofika engqondweni-ke yilo - Uma uzobhekana nanoma yiziphi izimo zokukhanya okuphansi noma okungekho nhlobo ngesikhathi somsebenzi wakho, futhi uma kunethuba elingamaphesenti angama-80 lokuthi noma yikuphi ukuhlangana kwamandla okubulala onakho kuzoba sendaweni enjalo, ingabe uzimisele ukutshala u-$200 njengenqubomgomo yomshuwalense wokuphila engaba khona?
Ithoshi le-XT DF elivela ku-ASP Inc. linikeza ukukhanya okunamandla okungu-600 lumens, kanye nezinga lokukhanya lesibili elingahlelwa ngumsebenzisi kuma-lumens angu-15, 60, noma angu-150, noma i-strobe.
Isikhathi sokuthunyelwe: Juni-24-2019